n.肥胖；肥大
Obesity is a problem for many people in western countries. 西方国家很多人都有过度肥胖的问题。
Obesity is a major risk factor for sleep apnea. 肥胖是呼吸暂停的主要危险因素。
He is too self-conscious about his obesity. 他太在意自己的肥胖。
减肥
